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Engine Dies when cold
About a month ago I started the truck ran inside and when I came back out it had died. Tried to restart and no go. After getting off work I started the no start checklist and determined it was FICM voltage when cranking was droping to 30-32V. Ordered up a bulletproof 6phase and installed the next week. No start issue was fixed but the next issue was Battery voltage was dropping too low when cold and resulting in no start and periodic stalls until at operating temp above 150F when FICM cold run program shuts off. I Replaced the batteries with a pair of new Odyssey's and intial voltage issue was gone but just had a stall this morning when temp was 130F. Thinking now maybe alternator belt is sliping. Runs 13.5-14V most of the time now but it had droped to ~12 right before it stalled. I was off throttle approaching a light. Has anyone had anyting simmilar. Would like to figure this out before throwing more money at the issue.
EDIT: No Codes KOEO and KOER are both good. Doesn't sputter or surge just shuts off with battery light on dash engine voltage was ~12V until cranking then droped to 11.5/6
"You are not thinking. You are merely being logical."
06 F350 Amarillo CCSB - MODS - Bulletproof 6phase FICM 58V, Odyssey 65-PC1750, SCT iTSX Tuned, EGR delete, 4" with Cat and Muffler - To be installed - Bulletproof Oil Cooler, Regulated Return w/ fuel bowl delete and FASS.
Last edited by Glueballs; 04-11-2013 at 07:56 AM.
Reason: Added info